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Bug#441902: xserver-xorg-video-ati: 6.7.192-1~7.2 crashes xserver with xv video playback on compiz

Alec Robertson wrote:
> Hi,
>> Do you have a backtrace for this crash? (either at the end of the log,
>> or (better) with gdb)
> With the latest xserver from unstable, I still get the xv crash. This
> backtrace was from vlc playing a dvd then rotating the compiz cube.
> Backtrace:
> 0: /usr/bin/X(xf86SigHandler+0x7e) [0x80c632e]
> 1: [0xb7f09420]
> 2: /usr/bin/X [0x80d91f5]
> 3: /usr/lib/xorg/modules/extensions//libextmod.so(XvdiPutImage+0x178)
> [0xb7cb66d8]
> 4: /usr/lib/xorg/modules/extensions//libextmod.so [0xb7cb9219]
> 5: /usr/bin/X [0x814d24e]
> 6: /usr/bin/X(Dispatch+0x2bf) [0x808d00f]
> 7: /usr/bin/X(main+0x48b) [0x807461b]
> 8: /lib/i686/cmov/libc.so.6(__libc_start_main+0xe0) [0xb7d59050]
> 9: /usr/bin/X(FontFileCompleteXLFD+0x205) [0x8073991]
> Fatal server error:
> Caught signal 11.  Server aborting

This backtrace seems similar to
https://bugs.freedesktop.org/show_bug.cgi?id=12356 but this one is
against the intel driver so I'd rather be sure it's the same before
commenting there.

Could you try catching a debugging backtrace with gdb? You'll have to
install xserver-xorg-video-ati-dbg and xserver-xorg-core-dbg, log by ssh
from another machine, attach gdb to the running X with "gdb -p $(pidof
X)", reproduce the crash, and enter "bt full" in gdb. Let me know if you
need help.


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